Finding the Third Proportional to 628,982 and 1,381,520

Step by Step Solution

1. Step 1: Write the proportion equation
   628,982 : 1,381,520 = 1,381,520 : x
2. Step 2: Convert to fraction form
   628,982/1,381,520 = 1,381,520/x
3. Step 3: Cross multiply
   628,982x = 1,381,520 × 1,381,520
4. Step 4: Simplify right side
   628,982x = 1,908,597,510,400
5. Step 5: Solve for x
   x = 1,908,597,510,400/628,982
6. Step 6: Final answer
   x = 3,034,423.10